MAX8717ETI Maxim Integrated, MAX8717ETI Datasheet - Page 10

• Manufacturer Part Number: MAX8717ETI
• Description: Current & Power Monitors & Regulators
• Manufacturer: Maxim Integrated

3.3V
Interleaved High-Efficiency, Dual Power-Supply
Controllers for Notebook Computers
12V
10
(Circuit of Figure 1, MAX8717, V
3.3V
2.5A
3A
12V
0
0
0
0
0
0
______________________________________________________________________________________
SKIP1 = V
A. CONTROL, 5V/div
B. OUT1, 50mV/div
A. SKIP1, 5V/div
B. LX1, 10V/div
30mA LOAD ON OUT1
OUT1 LOAD TRANSIENT
CC
SKIP1 TRANSITION
20μs/div
20μs/div
C. I
D. LX1, 10V/div
C. OUT1, 50mV/div
D. I
LX1
LX1
MAX8716/17/57 toc24
, 3A/div
MAX8716/17/57 toc27
, 2.5A/div
IN
= 12V, V
A
B
C
D
A
B
C
D
DD
3.3V
2.5A
12V
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
= V
28
24
20
16
12
0
0
0
8
4
0
Typical Operating Characteristics (continued)
vs. INPUT VOLTAGE (FORCED-PWM MODE)
0
0
CC
MAX8756 NO-LOAD SUPPLY CURRENT
MAX8756 OUT2 IDLE MODE CURRENT
A. SKIP1, 5V/div
B. LX1, 10V/div
30mA LOAD ON OUT1
= 5V, SKIP_ = GND, FSEL = REF, T
4
4
SKIP1 TRANSITION
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
8
8
20μs/div
12
12
SKIP1 = SKIP2 = V
ON1 = ON2 = V
I
IN
C. OUT1, 50mV/div
D. I
SKIP2 = REF
SKIP2 = GND
16
16
LX1
I
MAX8716/17/57 toc25
BIAS
, 2.5A/div
20
20
CC
CC
24
24
A
B
C
D
A
0.001
= +25°C, unless otherwise noted.)
3.3V
2.5A
12V
0.01
0.1
10
0
0
0
1
0
MAX8756 NO-LOAD SUPPLY CURRENT
A. SKIP1, 5V/div
B. LX1, 10V/div
30mA LOAD ON OUT1
vs. INPUT VOLTAGE (IDLE MODE)
4
SKIP_ = GND
SKIP1 TRANSITION
INPUT VOLTAGE (V)
I
IN
8
I
BIAS
20μs/div
12
C. OUT1, 50mV/div
D. I
ON1 = ON2 = V
16
LX1
SKIP_ = REF
MAX8716/17/57 toc26
, 2.5A/div
I
IN
20
CC
24
A
B
C
D